Submission #162631

#	Time	Username	Problem	Language	Result	Execution time	Memory
162631		demetre	Game (IOI14_game)	C++14	0 / 100	4 ms	632 KiB

game

#include<bits/stdc++.h>

using namespace std;

int N, n, a, b, f[1001][1001], fix[1001], p[1001];

void initialize (int n) {
	N = n;
	for (int i=0; i<N; i++){
		p[i] = i;
		fix[i] = 1;
	}
}
int getcol (int l){
	if (l == p[l])
		return l;
		
	return getcol (p[l]);
}
void col (int k, int l){
	int w = getcol(k);
	int u = getcol(l);
	
	p[w] = u;
	fix[u]+=fix[w];
	fix[w] = 0;
	p[k] = l;
	
	for (int i = 0; i < N; i++){
		f[u][i]+=f[w][i];
		f[i][u]+=f[i][w];
	}
}

int hasEdge (int u, int v){
	cin >> a >> b;
	a = getcol(a);
	b = getcol(b);
	f[a][b]++;
	f[b][a]++;
	if (f[a][b] == fix[a]*fix[b]){
		cout << "YES" << endl;
		if (fix[a] >= fix[b])	
			swap(a, b);
		col (a, b);
	}
	else
		cout << "NO" << endl;
}	

Compilation message (stderr)

game.cpp: In function 'int hasEdge(int, int)':
game.cpp:49:1: warning: no return statement in function returning non-void [-Wreturn-type]
 } 
 ^

• Subtask 1: 0 / 15
• Subtask 2: 0 / 27
• Subtask 3: 0 / 58